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$4.55 Shipping Condition: Used Location: Sussex, United States Type: 6SK7GT. Mutual Conductance: 2000gm where 1300gm is minimum and 2000gm NOS. Manufacturer: Sylvania. Plate(s): Round Ribbed Black. The tubes need ... moreto get to you in one piece. But this the way of the world now.
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$4.55 Shipping Condition: Used Location: Sussex, United States Getter: Top Square. Manufacturer: CBS. The tubes need to get to you in one piece. But this the way of the world now. We are always looking to buy more ... moretubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Type: 5U4GB. Getter: Side "D". Manufacturer: GE. The tubes need to get to you in one piece. But this the way of the world now. We are always looking to ... morebuy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 4400gm where 3150gm is minimum. But this the way of the world now. We are always looking to buy more tubes. Large collections, small ... morecollections, it doesn't matter. Looking forward to hearing from you, Dan.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 9000gm where 5650gm is minimum and 8695gm NOS. Type: 50B5. Plate(s): Black Box w/Copper Grid. Manufacturer: RCA. But this the way ... moreof the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: New Location: Sussex, United States Mutual Conductance: 4500gm where 2500gm is minimum and 3750gm NOS. Type: 12AU6. Getter: Top Halo. Manufacturer: RCA. But this the way of the world now. ... moreWe are always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Type: 6SK7GT. Mutual Conductance: 2000gm where 1300gm is minimum and 2000gm NOS. The tubes need to get to you in one piece. But this the way of the world ... morenow. We are always looking to buy more tubes.
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$4.55 Shipping Condition: New Location: Sussex, United States Mutual Conductance: 11250gm where 5000gm is minimum and 7695gm NOS. Type: 6DQ6B. Manufacturer: Sylvania. Plate(s): Black w/Copper Grid. The tubes need ... moreto get to you in one piece. But this the way of the world now.
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$8.95 Shipping Condition: Used Location: Lumberton, United States
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 7500gm where 5000gm is minimum and 7695gm NOS. Type: E180F. Manufacturer: Mullard Great Britain. Getter: Top Halo. But this the way ... moreof the world now. We are always looking to buy more tubes.
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$29.75 Shipping Condition: Brand new Location: Canning Vale, Australia However, tube testers and tube testing are so misunderstood that such ignorance, myths and misconceptions may not save the users of tube testers any money. ... moreThe revival of tube technology in guitar and audiophile amplifiers has also led to the renewed interest in vacuum tube testers and their ultimate purpose, testing and matching of audio tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Type: JG 12AT7WA/6201. Plate(s): Grey w/Copper Grid. Manufacturer: GE. The tubes need to get to you in one piece. But this the way of the world now. We ... moreare always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 1250gm where 910gm is minimum. Type: 12K7GT. Getter: Bottom Foil "D". Manufacturer: Ken Rad. The tubes need to get to you in one piece. ... moreBut this the way of the world now. We are always looking to buy more tubes.
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$6.23 Shipping Condition: Open box Location: Tonopah, United States Nice RCA 6DE7. Tests wonderful. POWER PENTODE. I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer ... morefor testing triodes. I give a number of evaluations for tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Type: 5U4GB. Getter: Top Halo. Manufacturer: Sylvania. The tubes need to get to you in one piece. But this the way of the world now. We are always looking ... moreto buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Open box Location: Sussex, United States Mutual Conductance: 1800gm where 920gm is minimum and 1415gm NOS. But this the way of the world now. We are always looking to buy more tubes. Large collections, ... moresmall collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 2050gm and 1950gm where 1040gm is minimum and 1575gm NOS. Type: Code Matched Pair 1957 6SJ7. Manufacturer: GE for Dumont. The tubes ... moreneed to get to you in one piece. But this the way of the world now.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 8700gm where 5650gm is minimum and 8695gm NOS. Type: 50B5. Getter: Side "D". Manufacturer: RCA. But this the way of the world now. ... moreWe are always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 9000gm where 5650gm is minimum and 8695gm NOS. Type: 50B5. Plate(s): Black Box w/Copper Grid. But this the way of the world now. We ... moreare always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Type: 1951 6Y6G. Manufacturer: Sylvania for Philco. But this the way of the world now. We are always looking to buy more tubes. Large collections, small ... morecollections, it doesn't matter. Looking forward to hearing from you, Dan.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 7200gm where 5650gm is minimum. Type: 50B5. Getter: Top Square. Plate(s): Black Box w/Copper Grid. Manufacturer: RCA. But this the ... moreway of the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 7400gm and 7000gm where 5650gm is minimum. Type: Two 50B5. But this the way of the world now. We are always looking to buy more tubes. ... moreLarge collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: New Location: Sussex, United States Getter: Top Square. Manufacturer: RCA. The tubes need to get to you in one piece. But this the way of the world now. We are always looking to buy more ... moretubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 6200gm where 4400gm is minimum. Manufacturer: RCA. But this the way of the world now. We are always looking to buy more tubes. Large ... morecollections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 1650gm and 1550gm where 910gm is minimum and 1400gm NOS. Type: Pair 6K7. Manufacturer: RCA. The tubes need to get to you in one piece. ... moreBut this the way of the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: Open box Location: Sussex, United States Mutual Conductance: 4900gm and 4850gm where 2600gm is minimum and 4000gm NOS. Getter: Top Slant Halo. Manufacturer: GE. Type: Matched Pair 6AQ5A/6HG5. ... moreBut this the way of the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 8200gm where 5650gm is minimum. Type: 50L6GT. Manufacturer: Lafayette. But this the way of the world now. We are always looking to ... morebuy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 7850gm where 5700gm is minimum. Type: 12BY7A. Getter: Top Halo. Plate(s): Black w/Copper Grid. Manufacturer: RCA. But this the way ... moreof the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 9000gm where 5650gm is minimum and 8695gm NOS. Type: 50B5. Getter: Top Fat "D". Manufacturer: CBS. Plate(s): Black Box w/Copper Grid. ... moreBut this the way of the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 8750gm where 5650gm is minimum and 8695gm NOS. Type: 1960 50L6GT. Getter: Top Halo. Manufacturer: GE. But this the way of the world ... morenow. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: New Location: Sussex, United States Getter: Top Halo. The tubes need to get to you in one piece. But this the way of the world now. We are always looking to buy more tubes. Large collections, ... moresmall collections, it doesn't matter. Looking forward to hearing from you, Dan.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 3900gm and 3750gm where 2500gm is minimum and 3750gm NOS. Type: Pair 6SH7. Manufacturer: RCA. The tubes need to get to you in one ... morepiece. But this the way of the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: New Location: Sussex, United States Mutual Conductance: 4150gm where 2070gm is minimum and 3200gm NOS. Type: 12BA6. Getter: Top Halo. But this the way of the world now. We are always looking ... moreto buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: New Location: Sussex, United States Type: Pair 6HF8. Manufacturer: RCA. The tubes need to get to you in one piece. Mutual Conductance: 8700/5700gm and 8600/4750gm where 5000/2500gm is minimum ... moreand 7700/3750gm NOS. But this the way of the world now.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 8050gm and 7550gm where 5650gm is minimum. Type: Two 50B5. Manufacturer: RCA. The tubes need to get to you in one piece. But this ... morethe way of the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: New Location: Sussex, United States But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to ... morehearing from you, Dan. Plate(s): Round Grey w/Copper Grid.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 8300gm where 5650gm is minimum. Type: 50B5. Manufacturer: Sylvania. But this the way of the world now. We are always looking to buy ... moremore tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Open box Location: Sussex, United States Mutual Conductance: 1100gm where 570gm is minimum and 875gm NOS. Manufacturer: GE. But this the way of the world now. We are always looking to buy more ... moretubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 8200gm where 5650gm is minimum. Type: 50L6GT. Manufacturer: Ken Rad. Plate(s): Black w/Copper Grid. But this the way of the world ... morenow. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$5.45 Shipping Condition: New Location: Sussex, United States Type: CR-158 6 Wire 110 degree CRT Booster. Every Pin is Closely Inspected and Thoroughly Cleaned. The tubes need to get to you in one piece. But this ... morethe way of the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Getter: Top Halo. The tubes need to get to you in one piece. But this the way of the world now. We are always looking to buy more tubes. Large collections, ... moresmall collections, it doesn't matter. Looking forward to hearing from you, Dan.
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$22.59 Shipping Condition: Used Location: Cary, United States 17 CHINESE EL34 VACUUM TUBES EL 34 - Plus Extra Freebie. I did not take a picture of all of the tubes out of there boxes as they all look pretty much ... morealike.
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Free Shipping Condition: Good Location: Bethlehem, United States This 1955 Heathkit Assembly Manual is a must-have for any vintage electronics collector. With detailed instructions for the Grid Dip Meter Model GD-1B, ... moreyou can easily assemble and maintain this piece of history. The manual was made in the United States and is a rare find for anyone interested in vintage audio and video equipment.The manual is specifically tailored to the Heathkit brand and provides in-depth information on how to use and maintain the Grid Dip Meter Model GD-1B. Whether you are a seasoned collector or just starting out, this manual will be a valuable addition to your collection. Don't miss out on the opportunity to own a piece of vintage electronics history!
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 10750gm where 5000gm is minimum and 7695gm NOS. Type: 12DQ6A. Getter: Dual Bottom "D". Manufacturer: RCA. But this the way of the ... moreworld now. We are always looking to buy more tubes.
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Free Shipping Condition: New Location: Sussex, United States Type: Precision Lamp for Optical Devices. Manufacturer: GE. Thoroughly Tested for Gas, Shorts, Life, Noise and Mutual Conductance(Where Applicable). The ... moretubes need to get to you in one piece.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 1600gm where 1040gm is minimum and 1500gm NOS. Type: 1956 6K6GT. Manufacturer: Tung Sol. Plate(s): Black w/Copper Grid. But this the ... moreway of the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 8800gm where 5700gm is minimum and 8770gm NOS. Type: 12BY7A. Getter: Top Halo. Manufacturer: GE. But this the way of the world now. ... moreWe are always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 1550gm where 940gm is minimum and 1450gm NOS. Type: 6K7GT. Manufacturer: Silvertone. Micas: Two Ears. The tubes need to get to you ... morein one piece. But this the way of the world now.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 7650gm where 5650gm is minimum. Type: 50B5. Manufacturer: Raytheon Japan. Plate(s): Black Ribbed Box w/Copper Grid. But this the way ... moreof the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 8300gm where 5650gm is minimum and 8695gm NOS. Type: 50B5. Getter: Top Square. Manufacturer: RCA. But this the way of the world now. ... moreWe are always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States Type: 25Z5. Manufacturer: Philco. Getter: Bottom Foil "D". The tubes need to get to you in one piece. But this the way of the world now. We are always ... morelooking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: New Location: Sussex, United States Mutual Conductance: 5800gm where 3650gm is minimum and 5615gm NOS. Type: 35B5. Manufacturer: Westinghouse. Plate(s): Silver/Black Box w/Copper Grid. But ... morethis the way of the world now. We are always looking to buy more tubes.
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$4.55 Shipping Condition: New Location: Sussex, United States Type: 6CY7. Getter: Top Halo. Manufacturer: GE. The tubes need to get to you in one piece. Mutual Conductance: 1700/5650gm where 800/3400gm is minimum ... moreand 1300/5400gm NOS. But this the way of the world now.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 8500gm where 5650gm is minimum and 8695gm NOS. Type: 50B5. Plate(s): Black Box w/Copper Grid. But this the way of the world now. We ... moreare always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: New Location: Sussex, United States Mutual Conductance: 4400gm where 2600gm is minimum and 4000gm NOS. Type: 1964 6AQ5A. But this the way of the world now. We are always looking to buy more ... moretubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: New Location: Sussex, United States Manufacturer: Sylvania. The tubes need to get to you in one piece. But this the way of the world now. We are always looking to buy more tubes. Large collections, ... moresmall collections, it doesn't matter.
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$4.55 Shipping Condition: New Location: Sussex, United States Mutual Conductance: 9200gm where 5650gm is minimum and 8700gm NOS. Type: 50B5. Getter: Top Halo. Manufacturer: RCA. But this the way of the world now. ... moreWe are always looking to buy more tubes. Large collections, small collections, it doesn't matter.
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$4.55 Shipping Condition: Used Location: Sussex, United States But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to ... morehearing from you, Dan. Manufacturer: GE. The tubes need to get to you in one piece.
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$5.45 Shipping Condition: New Location: Sussex, United States Type: CR-157 CRT Booster. Every Pin is Closely Inspected and Thoroughly Cleaned. The tubes need to get to you in one piece. But this the way of the world ... morenow. We are always looking to buy more tubes.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 10000gm where 5000gm is minimum and 7695gm NOS. Type: 1953 6DQ6. But this the way of the world now. We are always looking to buy more ... moretubes. Large collections, small collections, it doesn't matter.
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